Pressure washer pump case



FIG. 1 is a top-front perspective view of a pressure washer pump case;

FIG. 2 is a front elevation view thereof;

FIG. 3 is an enlarged top-front perspective view of a portion thereof;

FIG. 4 is a bottom plan view thereof; and,

FIG. 5 is a left side elevation view thereof.

The broken lines are included for the purpose of illustrating portions of the pressure washer pump case that form no part of the claimed design. 

CLAIM The ornamental design for a pressure washer pump case, as shown and described. 